#include "signup.pb.h"
#include <stdio.h>

int main(){
    ReqSignup message;
    message.set_username("admin");
    message.set_password("123");
    char arr[100] = {0};
    message.SerializeToArray(arr,100);
    for(int i = 0; i < 100; ++i){
        printf("%02x", arr[i]);
    }
    printf("\n");
    return 0;
}

